Messages in this thread | | | Subject | Re: [PATCH 0/2] KVM: x86: never write to memory from kvm_vcpu_check_block | From | Maxim Levitsky <> | Date | Wed, 20 Jul 2022 12:31:17 +0300 |
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On Wed, 2022-04-27 at 13:37 -0400, Paolo Bonzini wrote: > Maxim reported the following backtrace: > > [ 1355.807187] kvm_vcpu_map+0x159/0x190 [kvm] > [ 1355.807628] nested_svm_vmexit+0x4c/0x7f0 [kvm_amd] > [ 1355.808036] ? kvm_vcpu_block+0x54/0xa0 [kvm] > [ 1355.808450] svm_check_nested_events+0x97/0x390 [kvm_amd] > [ 1355.808920] kvm_check_nested_events+0x1c/0x40 [kvm] > [ 1355.809396] kvm_arch_vcpu_runnable+0x4e/0x190 [kvm] > [ 1355.809892] kvm_vcpu_check_block+0x4f/0x100 [kvm] > [ 1355.811259] kvm_vcpu_block+0x6b/0xa0 [kvm] > > due to kmap being called in non-sleepable (!TASK_RUNNING) context. > Fix it by extending kvm_x86_ops->nested_ops.hv_timer_pending and > getting rid of one annoying instance of kvm_check_nested_events. > > Paolo >
Any update on this patch series? Pinging so it is not forgotten.
Best regards, Maxim Levitsky
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